Home / 881,643.28-1,322,589.46-282,464.28

Finding the Fourth Proportional to 881,643.28, 1,322,589.46 and 282,464.28

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Solution

The fourth proportional to 881,643.28, 1,322,589.46 and 282,464.28 is: 423,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,643.28 : 1,322,589.46 = 282,464.28 : x
  2. Step 2: Convert to fraction form
    881,643.28/1,322,589.46 = 282,464.28/x
  3. Step 3: Cross multiply
    881,643.28x = 1,322,589.46 × 282,464.28
  4. Step 4: Simplify right side
    881,643.28x = 373,584,272,941.54
  5. Step 5: Solve for x
    x = 373,584,272,941.54/881,643.28
  6. Step 6: Final answer
    x = 423,736.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.